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Hello guys, Im a new Honda owner of a 2010 Civic SI. I love this car. It has all the features I’ve been looking for in a "have fun while driving to work” vehicle. I have a question though. I’ve been having an issue with shifting into 3rd gear. It catches me unawares at times. I throw it in and it doesn’t stick. It feels like something is in the way and I have to work it in. The other gears are fine.. The speed of the revs don’t seem to make much of a difference as to how easy it moves into gear. Does this sound like something I could fix myself? I plan on taking it into the dealer and having them look at it. Has anyone else experienced this sort of thing? Thanks for any replies!

 
Rep Power: 216

There could be an issue with the syncrhonizers. I test drove an Si of the same generation and it went into 3rd, hopped out, and then clashed. There's a TSB out on it.

 
Rep Power: 517

The TSB 08-020 does not apply to this car. No TSB listed in Honda ISIS for this year car with this problem. But it sounds like the same condition.

I bet someone missed a shift at some point in the cars life and crunched it hard when they did, and did a little damage. All it takes is one missed shift.
It just needs fixed. 5/60 Powertrain warranty should apply.

I have seen a kid test drive an S2000 and trash the trans in 5 minutes, 2nd and 3rd gears crunched almost every shift.

 
Rep Power: 216

Word. Thanks for clearing that up. I've completely lost touch with any Honda made past the 7th Gen.